Each character begins play with a number of gold pieces […] In addition, each character begins play with an outfit worth 10 gp or less.

This list is for starting characters to create their outfit. If you start above first level, the outfit is included in their wealth by level.
Clothing on the Archives of Nethys.

There is an item, Explorer’s Outfit for “whatever a practical adventurer might wear.” If you don’t want to worry about details, pick this one. If you want to make a unique outfit, read on.

gp lb item
1 4 Artisan shoes, hat, belt, apron.
5 5 Burglar boots, mask, hooded cloak.
5 6 Cleric for formal priest duties.
8 7 Cold-Weather +5 fort vs exposure.
8 4 Courtesan robe/shawl with pockets.
3 4 Entertainer flashy but practical.
5 8 Executioner boots, hooded cloak.
10 8 Explorer everything you need.
8 4 Hot-Weather +2 fort vs exposure.
5 2 Monk sandals, sashes, pockets.
.1 2 Peasant no shoes.
5 3 Pickpocket concealed pockets.
.1 2 Pirate shoes, breeches.
5 6 Scholar soft shoes, cap.
1 5 Soldier boots, hat, gloves.
5 8 Squire soldier, with a tabard.
1 5 Traveler boots, hooded cloak.
Individual Pieces
.5 Bandolier tie-on 8 things.
? Brooch
1 .5 Belt Pouch
? 3 Cane
? 3 Cane, hollow can fit a vial.
1 3 Chausses woolen pants.
5 2 Cleats for traction outdoors.
? 3 Corset back support, but tight.
.5 2 Crutch can also be a 1d4 weapon.
.5 Cushion Inserts soles for shoes.
? Decorative Trim attaches to clothes.
.1 Eye Patch helps adapt to darkness.
5 2 Fake Footprint Shoes choose a species
5 Filter Scarf dust, sand, gas, etc.
1 4 Gambeson padding under armor.
? ? Hat
? ? Headscarf
2 1 Heated Gloves (re-use for 1 gp).
4 Inside Pocket perception DC 15.
? ? Jewelry
.2 1 Kilt woolen skirt.
? 1 Mask
? 1 Monster Mask convincing from afar
5 .5 Patchwork Cloak with a storied history.
5 Perfume/Cologne sometimes +1 skill
.5 2 Poncho
? .5 Scarf
8 .5 Scarf (pockets) conceal items
5 4 Snowshoes
5 Tear-Away disguise modification.
? 1 Reversible Cloak
5 1 Tabard displays allegiance
? .5 Vest
? ? Wig